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A 45-year-old female asked:

is mr neurography the best type of mri to characterize 1 cm enhancing lesion in thecal sac at the left lateral aspect of l4? lesion has rim and is round, darker than tarlov cysts, and heterogeneous?

2 doctor answers3 doctors weighed in
Dr. Lali Sekhon
Neurosurgery 32 years experience
Maybe : This may be useful if conventional mr with gadolinium is not helpful.
Dr. Atif Haque
Neurosurgery 18 years experience
MRI: Mr neurography is typically used for peripheral nerves, not within the thecal sac. A good quality MRI is probably the best study for lesions in the area you describe.

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Last updated Jun 17, 2014
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